<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>is</title>
  <script src="../../js/vue.js"></script>
  <style>
    .tab-button {
      padding: 6px 10px;
      border-top-left-radius: 3px;
      border-top-right-radius: 3px;
      border: 1px solid #ccc;
      cursor: pointer;
      background: #f0f0f0;
      margin-bottom: -1px;
      margin-right: -1px;
    }
    .tab-button:hover {
      background: #e0e0e0;
    }
    .tab-button.active {
      background: #e0e0e0;
    }
    .tab {
      border: 1px solid #ccc;
      padding: 10px;
    }
  </style>
</head>

<body>
  <div id="app" class="demo">
    <button
      v-for="tab in tabs"
      v-bind:key="tab"
      v-bind:class="['tab-button', { active: currentTab === tab }]"
      v-on:click="currentTab = tab"
    >
      {{ tab }}
    </button>
    <component :is="currentTabComponent" class="tab"></component>
  </div>
  <script>
    Vue.component("tab-home", {
      template: "<div>Home component</div>"
    });
    Vue.component("tab-posts", {
      template: "<div>Posts component</div>"
    });
    Vue.component("tab-archive", {
      template: "<div>Archive component</div>"
    });
    let vm = new Vue({
      el: "#app",
      data: {
        currentTab: "Home",
        tabs: ["Home", "Posts", "Archive"]
      },
      computed: {
        currentTabComponent: function() {
          return "tab-" + this.currentTab.toLowerCase();
        }
      }
    });
  </script>
</body>

</html>